*{ margin : 0; padding : 0;}
ul,li{ list-style: none;}
img{ display: block;}
html,body{ height:100%;}
.clearfix:after{ content:""; display: block; clear:both;}



::-webkit-scrollbar { width: 12px;}/* 滚动槽 */
::-webkit-scrollbar-track { -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3); border-radius: 10px;}/* 滚动条滑块 */
::-webkit-scrollbar-thumb { border-radius: 10px; background: rgba(0,0,0,0.1); -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.5);}::-webkit-scrollbar-thumb:window-inactive { background: rgba(255,0,0,0.4);}

#main{ height: 100%; display: flex; flex-direction:column;}

#content{ flex:1; overflow:auto; margin-bottom: 50px; position: relative; display: flex; flex-direction:column;}
